Mastuti, Endah, et al. “Academic Stress of High School Students in Online Learning During the Covid-19 Pandemic Based on Demographic Factors”. PROCEEDING SERIES OF PSYCHOLOGY, vol. 2, no. 1, Dec. 2024, pp. 252-7, https://psikologi.unair.ac.id/proceeding-series-of-psychology/index.php/psp/article/view/113.